/// <summary>
/// Releases the unmanaged resources used by the <see cref="T:System.Windows.Forms.Control" /> and its child controls and optionally releases the managed resources.
/// </summary>
/// <param name="disposing">true to release both managed and unmanaged resources; false to release only unmanaged resources.</param>
protected override void Dispose(bool disposing)
{
Cef.RemoveDisposable(this);
if (disposing)
{
browser = null;
IsBrowserInitialized = false;
if (BrowserSettings != null)
{
BrowserSettings.Dispose();
BrowserSettings = null;
}
if (parentFormMessageInterceptor != null)
{
parentFormMessageInterceptor.Dispose();
parentFormMessageInterceptor = null;
}
if (managedCefBrowserAdapter != null)
{
managedCefBrowserAdapter.Dispose();
managedCefBrowserAdapter = null;
}
// Don't maintain a reference to event listeners anylonger:
LoadError = null;
FrameLoadStart = null;
FrameLoadEnd = null;
LoadingStateChanged = null;
ConsoleMessage = null;
StatusMessage = null;
AddressChanged = null;
TitleChanged = null;
IsBrowserInitializedChanged = null;
}
// Release reference to handlers, make sure this is done after we dispose managedCefBrowserAdapter
// otherwise the ILifeSpanHandler.DoClose will not be invoked.
this.SetHandlersToNull();
base.Dispose(disposing);
}
protected override void Dispose(bool disposing)
{
// Don't utilize any of the handlers anymore:
this.SetHandlersToNull();
Cef.RemoveDisposable(this);
if (disposing)
{
IsBrowserInitialized = false;
if (BrowserSettings != null)
{
BrowserSettings.Dispose();
BrowserSettings = null;
}
if (parentFormMessageInterceptor != null)
{
parentFormMessageInterceptor.Dispose();
parentFormMessageInterceptor = null;
}
if (managedCefBrowserAdapter != null)
{
managedCefBrowserAdapter.Dispose();
managedCefBrowserAdapter = null;
}
// Don't maintain a reference to event listeners anylonger:
LoadError = null;
FrameLoadStart = null;
FrameLoadEnd = null;
LoadingStateChanged = null;
ConsoleMessage = null;
StatusMessage = null;
AddressChanged = null;
TitleChanged = null;
IsBrowserInitializedChanged = null;
}
base.Dispose(disposing);
}
/// <summary>
/// Called after browser created.
/// </summary>
/// <param name="browser">The browser.</param>
void IWebBrowserInternal.OnAfterBrowserCreated(IBrowser browser)
{
this.browser = browser;
IsBrowserInitialized = true;
// By the time this callback gets called, this control
// is most likely hooked into a browser Form of some sort.
// (Which is what ParentFormMessageInterceptor relies on.)
// Ensure the ParentFormMessageInterceptor construction occurs on the WinForms UI thread:
this.InvokeOnUiThreadIfRequired(() =>
{
parentFormMessageInterceptor = new ParentFormMessageInterceptor(this);
});
ResizeBrowser();
var handler = IsBrowserInitializedChanged;
if (handler != null)
{
handler(this, new IsBrowserInitializedChangedEventArgs(IsBrowserInitialized));
}
}
protected override void Dispose(bool disposing)
{
// Don't utilize any of the handlers anymore:
DialogHandler = null;
JsDialogHandler = null;
KeyboardHandler = null;
RequestHandler = null;
DownloadHandler = null;
LifeSpanHandler = null;
MenuHandler = null;
DragHandler = null;
GeolocationHandler = null;
FocusHandler = null;
ResourceHandlerFactory = null;
Cef.RemoveDisposable(this);
if (disposing)
{
IsBrowserInitialized = false;
if (BrowserSettings != null)
{
BrowserSettings.Dispose();
BrowserSettings = null;
}
if (parentFormMessageInterceptor != null)
{
parentFormMessageInterceptor.Dispose();
parentFormMessageInterceptor = null;
}
if (managedCefBrowserAdapter != null)
{
managedCefBrowserAdapter.Dispose();
managedCefBrowserAdapter = null;
}
// Don't maintain a reference to event listeners anylonger:
LoadError = null;
FrameLoadStart = null;
FrameLoadEnd = null;
NavStateChanged = null;
ConsoleMessage = null;
StatusMessage = null;
AddressChanged = null;
TitleChanged = null;
IsBrowserInitializedChanged = null;
IsLoadingChanged = null;
}
base.Dispose(disposing);
}